90898540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{74507}}^1$

素因数の和:74577

約数の個数: 24

約数和(自身を含む): 194018832

約数和(自身を除く): 103120292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 74507, 149014, 298028, 372535, 745070, 1490140, 4544927, 9089854, 18179708, 22724635, 45449270, 90898540]

約数ペア:

[(1, 90898540), (2, 45449270), (4, 22724635), (5, 18179708), (10, 9089854), (20, 4544927), (61, 1490140), (122, 745070), (244, 372535), (305, 298028), (610, 149014), (1220, 74507)]